Scope is only part of the issue I believe.
ctaLayer = new google.maps.KmlLayer('http://www.mappingsupport.com/p/
gmap4/mymap/05/105432215366276592381.0004897737811ac6a6a05.kml?
dummy=12345678', {preserveViewport:false, map:masu.map});
ctaLayer.setMap(masu.map);
Here the call to setMap is redundant - you declared it as part of the
map options.
Also, in your toggle_kml function, you don't need to keep track of the
state of the layer separately. You also should be able to get rid of
your bounds_changed event listener. Try:
var ctaLayer;
function toggle_kml() {
if(ctaLayer.getMap()) {
ctaLayer.setMap(null);
ctaLayer.set('preserveViewport', false);
}
else
ctaLayer.setMap(masu.map);
}
Chad Killingsworth
On Jul 12, 11:30 am, Nathan Raley <[email protected]> wrote:
> It looks like a scoping issue.
>
> ctaLayer is declared inside the initialize function and therefore is not
> accessible to the rest of your code.
>
> Declare ctaLayer as a global variable and you should be okay.
>
> On Mon, Jul 12, 2010 at 11:24 AM, Joseph Elfelt <[email protected]>wrote:
>
>
>
> > The KML toggle control on this map works fine.
> >http://www.mappingsupport.com/forum_post/toggle_kml_good.html
>
> > The KML toggle control on this map causes the KML to briefly flicker
> > and then the KML remains visible.
> >http://www.mappingsupport.com/forum_post/toggle_kml_bad.html
>
> > The only difference is in the 'options' in the line defining the
> > KmlLayer.
> > KML options for the good map: {preserveViewport:false}
> > KML options for the bad map: {preserveViewport:false, map:masu.map}
>
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